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Heart|Lab Grown|IGI

1.03ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG782689087

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG782689087

Diamond specifications and retailer prices

From €269 EUR
$301 USD
As of October 30, 2026
Save €841 EUR (76%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €1,522 EUR at Brilliant Earth · As of October 22, 2026
View at Brilliant Earth

About this 1.03ct lab-grown heart diamond

This 1.03ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG782689087 or 782689087. Listed at 20 retailers as of October 30, 2026, with a 312% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG782689087
Dimensions6.52 × 7.00 × 3.94 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.52 mm7.00 mm1.03 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG782689087
Side View
Table 55.0%Crown 35.6°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 56.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: €1,522 EUR|Low: €175 EUR|High: €1,522 EUR|Avg: €605 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 31, 2026
Retailer 7€256 EUR
Retailer 9€269 EUR
Retailer 12€336 EUR
Retailer 10€402 EUR
Retailer 14€409 EUR
Retailer 2€441 EUR
Retailer 15€512 EUR
Retailer 4€512 EUR
Retailer 5€516 EUR
Retailer 3€582 EUR
Retailer 8€768 EUR
Retailer 6€813 EUR
Retailer 11€959 EUR
Retailer 13€1,110 EUR
Brilliant Earth€1,522 EUR

37 data points across 15 retailers

20 retailers€269 EUR to €1,110 EUR

Retailer 1
-
€200 EUR
$223 USD
Price last confirmed 24 days ago
Retailer 2
-
€232 EUR
$259 USD
View
Price last confirmed 33 days ago
Retailer 3
-
€248 EUR
$277 USD
View
Price last confirmed 29 days ago
Retailer 4
-
€248 EUR
$277 USD
View
Price last confirmed 20 days ago
Retailer 5
-
€252 EUR
$282 USD
View
Price last confirmed 37 days ago
A
Retailer 6
-
€269 EUR
$301 USD
View
Final sale: no returns
A
Retailer 7
-
€336 EUR
$375 USD
View
A
Retailer 8
-
€402 EUR
View
A
Retailer 9
-
€409 EUR
ZAR 7,384 ZAR
View
A
Retailer 10
-
€441 EUR
£388 GBP
View
B+
Retailer 11
-
€512 EUR
$572 USD
View
B+
Retailer 12
-
€512 EUR
$572 USD
View
B+
Retailer 13
-
€516 EUR
$576 USD
View
B+
Retailer 14
-
€582 EUR
A$1,000 AUD
View
B+
Retailer 15
-
€768 EUR
$858 USD
View
Retailer 16
-
€797 EUR
$890 USD
View
Price last confirmed 31 days ago
B+
Retailer 17
-
€813 EUR
$908 USD
View
B
Retailer 18
-
€959 EUR
£844 GBP
View
B
Retailer 19
-
€1,110 EUR
$1,240 USD
View
Most Expensive
Brilliant Earth
18328190A · Oct 22
€1,522 EUR
$1,700 USD
View
Price last confirmed 10 days ago
19 more retailers have this diamond
Prices start from €269 EURSave up to €841 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.03ct Heart
€269 EUR